Slave Amplifiers

Slave amplifiers are designed to be used with another 'Master' amplifier and provide extra power to a pre-existing audio system to allow more speakers to be connected.

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  1. Vonyx VDA1000 PA Amplifier
    In stock
    Regular Price £150.00 Special test Price £135.00
    Vonyx VDA1000 PA Amplifier
    • The VDA-1000 compact stereo power amplifier with silent operation and light in weight. This new slim design provides plenty of power and fits into 19" rack mount spacing.
    • Class D 2x 500 watt amplifier providing the output you need in fixed installations in small to medium venues, for musicians or in the studio.
    • Professional NL-4 speaker outputs give a tight, wriggle-free connection with no loss of sound.
    • LED VU (visual display) indicator for monitoring input overloading.
    In stock
    Regular Price £150.00 Special test Price £135.00

    Free delivery and weekend delivery available

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    In stock
  2. Vonyx VDA500 PA Amplifier
    In stock
    Regular Price £120.00 Special test Price £110.00
    Vonyx VDA500 PA Amplifier
    • The VDA-500 compact stereo power amplifier with silent operation and light in weight. This new slim design provides plenty of power and fits into 19" rack mount spacing.
    • Class D 2x 250 watt amplifier providing the output you need in fixed installations in small to medium venues, for musicians or in the studio.
    • Professional NL-4 speaker outputs give a tight, wriggle-free connection with no loss of sound.
    • LED VU (visual display) indicator for monitoring input overloading.
    In stock
    Regular Price £120.00 Special test Price £110.00

    Free delivery and weekend delivery available

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  3. PD PRS120 100V Slave Amplifier
    In stock
    £135.00
    PD PRS120 100V Slave Amplifier
    • A boost amplifier for use with the PD PRM-series amplifiers providing additional power if desired.
    • Comes with balanced and unbalanced inputs as well as 8 Ohms and 100V output options.
    • Main features at a glance: 120W Boost amplifier with an exceptional sound, Options for speaker outputs: 8 Ohms and 100V, Input gain control, 19 Inch Mounting option provided with brackets, Protections: Overheat short circuit and power on delay, Emergency operation by 24V battery (not supplied)
    • Other features and Specifications include: Output Power: RMS: 120W, Frequency Response : 50Hz - 18.000Hz, Power supply: 100-240VAC 50/60Hz, Dimensions (L x W x H): 432 x 88 x 360mm, Weight (kg): 8.9000, Accessories: Power Cable
    In stock
    £135.00

    Free delivery and weekend delivery available

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  4. PD PRS360 100V Slave Amplifier
    In stock
    £259.00
    PD PRS360 100V Slave Amplifier
    • Slave amplifier for use with PD PRM series of Master Amps
    • Bulk up the power of your PD speaker system
    • Overheat protection
    • Full specs in main description
    In stock
    £259.00

    Free delivery and weekend delivery available

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  5. PD PDD1100 Digital PA Power Amplifier
    In stock
    Regular Price £369.00 Special test Price £359.00
    PD PDD1100 Digital PA Power Amplifier
    • 2-channel digital PA amplifier
    • 2, 4, and 8 Ohm reliable
    • Stereo/mono and bridge mode operation
    • Several built-in protective measures
    • NL4 Speakon twist-and-lock output terminals
    In stock
    Regular Price £369.00 Special test Price £359.00

    Free delivery and weekend delivery available

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  6. PD PRS240 100V Slave Amplifier
    In stock
    £195.00
    PD PRS240 100V Slave Amplifier
    • Slave amplifier for use with PD PRM series of Master Amps
    • Bulk up the power of your PD speaker system
    • Overheat protection
    • Full specs in main description
    In stock
    £195.00

    Free delivery and weekend delivery available

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    In stock
  7. Amate HD1200 Installation Power Amplifier - 1200W
    Out Of Stock

    This product is currently out of stock or unavailable. Contact our sales team for more info.

    £1,149.00
    Amate HD1200 Installation Power Amplifier - 1200W
    • Rack-mountable 19-inch 2U design
    • High-quality class AB amplifier for efficient power handling
    • Speakon and binding post outputs for a secure connection
    • Bridge mode with a parallel switch for different sized systems
    • Clip limiters and protection features for safe operation
    Out Of Stock
    £1,149.00

    Free delivery and weekend delivery available

    Out Of Stock
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A slave amplifier can be used as a standard power amplifier, but it lacks a preamp which means little to no controls. To use slave amps effectively, you would need to pair them with another amplifier that has a 'Slave' output on it. This acts as added power to the main amplifier which allows the addition of more speakers0 to your system, and this is ideal if you are expanding your system into more spaces.

There are two types of slave amplifiers that we offer. These are stereo amplifiers and 100V line amps. With stereo slave amps there are two outputs and volume controls and are meant to be used to add an extra two speakers to an audio system. They will usually be used with higher power speakers like wall-mounted ones, or any setup where there aren't a large number of speakers in total but more power is required.

100V line slave amplifiers are best implemented into systems that have a larger amount of speakers. If you have an installed audio system and need to add more speakers but your current amplifier isn't capable of providing the extra power needed for them, a 100v line slave amp will be perfect as you don't need to change your current system completely, you can simply install another amplifier as an add-on.

The Role of Slave Amps in Expanding Audio Systems

A slave amplifier acts as a booster for the main amplifier, providing the system with additional power to support more speakers. This approach is highly effective for expanding a single audio system to cover larger areas or accommodate increased speaker requirements. Instead of investing in multiple amplifiers, using slave amps offers a practical and cost-effective solution.

By connecting a slave amp to the main amplifier, the system can maintain centralised control, allowing adjustments to be made from one location. This simplifies management, especially in larger installations where speakers are spread across different zones. The ability to control the full system from a singular point not only streamlines operation but also ensures a cohesive sound experience throughout the connected spaces.

Benefits of Using Slave Power Amplifiers

The primary advantage of slave power amplifiers lies in their efficiency and practicality. They allow users to scale their systems without the need for an entirely new setup. For instance, in scenarios where a venue expands or additional zones are introduced, a slave amplifier can provide the necessary power to accommodate the changes.

Another significant benefit is cost-effectiveness. Compared to purchasing multiple amplifiers, slave amps offer a more affordable way to expand a system's capacity. This makes them an ideal choice for businesses and organisations looking to upgrade their sound systems without incurring excessive costs. Their straightforward integration into existing setups ensures that the process is seamless and does not require extensive technical expertise.

The control benefits of slave amps also stand out. With the main amplifier serving as the central hub, users can manage the entire system effortlessly. This is particularly beneficial in large-scale applications, such as conference centres, retail environments, or public venues, where simplicity and ease of use are essential.

Expanding Coverage with Slave Amplifiers

One of the key features of slave amps is their ability to extend audio coverage across larger areas. Whether in indoor or outdoor settings, these amplifiers enable the connection of additional speakers to a single system. This is particularly advantageous for venues such as hotels, stadiums, or event spaces where sound needs to be distributed evenly across wide areas.

Using a slave power amplifier ensures that the system retains uniform audio quality, even when more speakers are added. This makes them an essential tool in environments requiring reliable and consistent sound, regardless of scale or complexity.

Practical Applications of Slave Amps

In addition to their technical advantages, slave amps are versatile in their applications. They are ideal for a wide range of uses, including commercial, residential, and industrial settings. For example, in a retail store, a slave amplifier can be used to power speakers in additional sections of the shop floor without disrupting the overall system. Similarly, in a large office or educational institution, they can extend the reach of an audio system to include new wings or buildings.

For event organisers and outdoor venues, slave power amplifiers are invaluable in ensuring sound reaches every part of the audience. Their ability to integrate seamlessly into existing systems means they can be added on demand, providing the necessary power boost without the need for major equipment changes.

Frequently Asked Questions

What does a slave amplifier do?

A slave amplifier boosts the power of an audio system by receiving a signal from a master amplifier and amplifying it further to drive additional speakers. It extends the system’s capacity, making it ideal for larger installations.

How do you connect a slave amplifier to a master amplifier?

Connect the master amplifier’s line-level output to the slave amplifier’s input using an appropriate cable, such as an XLR or RCA cable. Ensure both amplifiers are set up correctly to work together seamlessly.

When should you add a slave amplifier to your setup?

Add a slave amplifier when the master amplifier’s power is insufficient to drive all connected speakers or when expanding an audio system to cover larger spaces or additional zones.

How does a slave amplifier improve sound quality in large venues?

A slave amplifier ensures consistent sound levels across a large area by distributing power evenly to additional speakers, reducing distortion, and maintaining clear audio even in expansive spaces.

What is the difference between amplifier and slave?

A standard amplifier processes audio signals and powers speakers, often with built-in controls for volume and tone. A slave amplifier, however, only amplifies signals received from a master amplifier, without additional processing or controls, making it suitable for expanding audio systems.

What are the advantages of using a slave amplifier?

Slave amplifiers allow for scalable audio systems by increasing power output to drive more speakers. They are essential in large venues or installations requiring consistent sound distribution over wide areas.

Can a slave amplifier be used with any type of speaker?

Yes, but the slave amplifier must be compatible with the speaker’s impedance and power requirements. It is commonly used with 100V line speakers or standard low-impedance speakers.

Are slave amplifiers suitable for home audio systems?

Slave amplifiers can be used in home audio systems for setups with multiple zones or high speaker demands, but they are more commonly found in commercial or large-scale applications.